Sliding-jaw wrench.



O. N. GRIFFITH. SLIDING JAW WRENCH. APPLIGATION FILED SEPT. 30, 1913.

Patented J um 16, 1914.

CLYDE NELSON GRIFFITH, OF NEW CASTLE, PENNSYLVANIA.

SLIDING-J AW WRENCH;

Specification of Letters Patent.

Patented June 16, 1914.

Application filed September 30, 1913. Serial No. 792,656.

I 0 all whom it may concern:

Be it known that I, CLYDE NnLsoN Gnu rirn, a citizen of the United States of America residing at New Castle, in the county of Lawrence and State of Pennsylvania, have invented certain new and useful Improvements in Sliding- I aw renches, of which the following is a. specification, refi erence being had therein to the accompanying drawin This invention relates to sliding jaw wrenches. and has-for its object to provide atool of such class in a manner as herein-t after set forth. with means for locking the sli-tiahle jaw in its adjusted position and for quickly releasing said jaw when occasion. so requires.

Further objects of the invention are to provide a sliding jaw wrehch which is simple in its construction and arrangement. strong, durable, cilicicnt and ctmvenient in its use, readily set up and comparativelv inexpensive to manufacture.

\Vith the foregoing and other objects in view, the invention consists of the novel construction. combination and arrangen'ient of parts hereinafter more specifically described and illustrated in the accmiu'mnying drawings wherein is shown an embodin'ient of the invention, but it is to be understood that changes, variations and modifications can be resorted to which come within the scope of the claim hereunto a 'ipended.

In the drawiin wherein like reference characters tlcnotc corresponding parts throughout the several vicws:l*igure l is a side elevation of a slidable jaw wrench in accordance with this invention Fig. 2 is a sectional elevation, Fig. 3 is a section on line X-X Fig. 2. and Fig. "l is a section on Y' -Y Fig. 2.

deferring to the drawings in detail, the wrench shank consists of a pair'ol spaced rectangular bars 5 and i having fixed to their outer end a jaw 7. Arranged between the bars 5 and ti is'a rotatable locking mom-- h r including a pintlo 8 journalcd in the face of th. jaw 7, and said locking member further includes a rectangular intermediate portion 3') having the side edges toothed as at i and said member further includes a cylindrical car portion 1! having a. reduced end ]2,1;rov1dedw|th anopening lilthrougb which extends a pin 14. The cylindrical rear portion, 11 of the locking member is pr vided with a peripheral collar 15 which 0 'tcnds into grooves 16 formed in the opposing edges of the bars 5 and (3.

The reference character 17 denotes an adjustable and sliding jaw which is provided with a pair of channels 18 and 1!) through which extends the bars 5 and (3 whereby the jaw 17 is slidably connected to said bars. The jaw 17 between the channels 18, is formed with a rectangular opening 20 having the side walls thereof grooved and provided with teeth 21 with which engage the teeth 10 whereby the jaw 17 is locked in its adjusted position.

Mounted upon the bars 5 and 6 and the cylindrical portion 11 of the locking member is a handle formed of two sections 22 and 23. The inner face of each of the sections is grooved as at 24 and into which extends the collar 15. The section 23 is provided with an opening through which extends the rear end of the cylindrical portion 11 of the locking member. The bars 5 and 6 are housed within the section 23 and the latter is connected to the bars 5 and ti and section 22 by transversely extending rivets 26.

'hat I claim is:-

A sliding jaw wrench comprising a shank formed of a pair of spaced ha rs, a jaw fixed to the outer ends of said bars, a handle secured to the rear ends of said liars. an adjustable jaw mounted upon said bars and provided with teeth, a rotatable locking member arranged l)(!t\\'t'0ll said bars and journalcd at its outer end in said fixed jaw and having its inner end projecting through said handle, said locking member provided with teeth and engaging with the teeth of the adjustable jaw to arrest, sliding move-- ment of the latter. said locking member further provided with a peripheral collar 'extendingtinto said bars and handle. and a pin carried by the rear end of said locking member.

In testimony whereof I atlix my signature in the presence of two witnesses. 4

CLYDE NELSON (lltI-Fl lTI-l.

\Vit nesses:

llannr L. Runner, J. J. (iulrrrrn. 

